presumptive
adj
(fml esp law 文, 尤用於法律)
(a) based on reasonable belief 基於合理之推測(cè)的; 推定的
presumptive evidence 推定的證據(jù).
(b) probable 可能的; 假定的
the presumptive heir/the heir presumptive, ie the person who will inherit the throne unless sb with a stronger claim is born 假定繼承人(除非有更具繼承權(quán)資格的人出生, 否則即由其繼承王位).